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rust_browser/tests/goldens/expected/172-line-height-var.layout.txt
Zachary D. Rowitsch d5234cf546 Implement HTML5 tree builder insertion modes with code review fixes (§13.2.6)
Refactor tree_builder.rs into module directory with 7 files implementing all
23 insertion modes per WHATWG HTML §13.2.6.4 as an explicit state machine.
Includes active formatting elements list with Noah's Ark clause, scope
checking for all 5 scope types, context-sensitive fragment parsing, and
iterative token reprocessing via ProcessResult enum.

Code review fixes: fix formatting element end tag truncation bug (save
node_id before truncate), replace manual element creation in catch-all
StartTag with insert_element_maybe_self_closing, add skip_next_newline for
pre/listing/textarea per spec, add QuirksMode to Document with basic DOCTYPE
detection, refactor all 23 handlers from Token to &Token to eliminate clone
per dispatch, fix self_closing handling for pre/listing/textarea/plaintext,
improve golden test 276 fixture coverage and foster-parent test assertion.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-14 22:12:19 -04:00

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LayoutBox node=#1 tag=html box=block
content: (0, 0, 800, 99.2)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
LayoutBox node=#8 tag=body box=block
content: (8, 16, 784, 67.2)
padding: 0 0 0 0
border: 0 0 0 0
margin: 8 8 8 8
LayoutBox node=#10 tag=p box=block
content: (8, 16, 200, 51.199997)
padding: 0 0 0 0
border: 0 0 0 0
margin: 16 0 16 0
inline_context: 2 lines, height=51.199997, max_width=196.56978
line[0]: rect=(8, 16, 196.56978, 25.6) fragments=8
frag[0]: rect=(8, 20.8, 23.847282, 16) text="First" start=false end=false
frag[1]: rect=(34.901615, 20.8, 19.947138, 16) text="line" start=false end=false
frag[2]: rect=(57.903088, 20.8, 11.148312, 16) text="of" start=false end=false
frag[3]: rect=(72.10573, 20.8, 24.469896, 16) text="text." start=false end=false
frag[4]: rect=(99.62995, 20.8, 40.305435, 16) text="Second" start=false end=false
frag[5]: rect=(142.98973, 20.8, 19.947138, 16) text="line" start=false end=false
frag[6]: rect=(165.99121, 20.8, 11.148312, 16) text="of" start=false end=false
frag[7]: rect=(180.19386, 20.8, 21.321585, 16) text="text" start=false end=false
line[1]: rect=(8, 41.6, 62.061676, 25.6) fragments=2
frag[0]: rect=(8, 46.399998, 22.331863, 16) text="that" start=false end=false
frag[1]: rect=(33.386196, 46.399998, 36.675476, 16) text="wraps." start=false end=false
LayoutBox node=#11 tag=anonymous box=anon
content: (0, -8, 258.63144, 16)
padding: 0 0 0 0
border: 0 0 0 0
margin: 0 0 0 0
text: "First line of text. ..."